Space
Dozens of stars show signs of hosting advanced alien civilisations
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Bio
Jonathan O'Callaghan is a freelance science journalist based in London. He specialises in stories on astronomy, astrophysics and space exploration, and was awarded the Walter Sullivan Award for Excellence in Science Journalism by the American Geophysical Union in 2021.
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Space
Asteroid that broke up over Berlin was fastest-spinning one ever seen
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Space
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Space
Early galaxy seen by JWST contains giant young stars and supernovae
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Space
Sleeping black hole is way more massive than it should be
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JWST will officially begin searching for exomoons around other planets
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Space
Habitable ocean world K2-18b may actually be inhospitable gas planet
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Space
Why we're finally on the cusp of finding exomoons around other planets
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Space
What we know about the stars where NASA will hunt for alien life
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Pancake-like comets may be made by whirling clouds of pebbles
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Space
Mysterious radio burst came from group of galaxies in distant universe
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Physics
Dark stars may be waiting in a mirror universe for us to discover them
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